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Finding the Fourth Proportional to 7,404.74, 10,220.82 and 4,263.02

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Solution

The fourth proportional to 7,404.74, 10,220.82 and 4,263.02 is: 5,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,404.74 : 10,220.82 = 4,263.02 : x
  2. Step 2: Convert to fraction form
    7,404.74/10,220.82 = 4,263.02/x
  3. Step 3: Cross multiply
    7,404.74x = 10,220.82 × 4,263.02
  4. Step 4: Simplify right side
    7,404.74x = 43,571,560.08
  5. Step 5: Solve for x
    x = 43,571,560.08/7,404.74
  6. Step 6: Final answer
    x = 5,884.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.